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How to Deal with Temporary NSManagedObject instances?
...ociatedObject has refs to other unassociated objects, should I insert them one by one or myMOC is smart enough to collect all refs and insert them also?
– fspirit
Jul 15 '10 at 20:17
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Why is division in Ruby returning an integer instead of decimal value?
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It’s doing integer division. You can make one of the numbers a Float by adding .0:
9.0 / 5 #=> 1.8
9 / 5.0 #=> 1.8
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Understanding REST: Verbs, error codes, and authentication
...P (and therefore with HATEOAS REST). Rather, to simply change the password one should use PATCH or POST.
– Lawrence Dol
Mar 18 '14 at 1:41
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What does it mean when a CSS rule is grayed out in Chrome's element inspector?
...nce
Note: Chrome dev tools "style" panel will display a rule set, because one or more rules from the set are being applied to the currently selected DOM node.
I guess, for the sake of completeness, dev tools shows all the rules from that set, whether they are applied or not.
In the case where a ru...
Get class name using jQuery
...As sandino points out in his answer, there is always a chance of more than one class name being set. (for instance JQuery-UI adds helper classes all over the place). You could always checked for this using if(className.indexOf(' ') !== -1){throw new Error('Uh-oh! More than one class name!');}
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How to design a database for User Defined Fields?
...ed to stay around for reference purposes only, so I'd like to put those in one table. Other UDFs are defined as needed (I can't identify them in advance.. they usually are created when we change some process or decide to track something special for a few months) and are commonly used in queries. I t...
How can I print literal curly-brace characters in python string and also use .format on it?
...ay: {0} refers to the first argument to .format(). You can print more than one value like {0} {1} {2} as long as you give the same number of arguments to .format(). See docs.python.org/library/string.html#format-examples for extensive examples.
– Greg Hewgill
F...
T-SQL get SELECTed value of stored procedure
...ctedValue OUTPUT
PRINT @SelectedValue
Output parameters can only return one value, but can be any data type
RESULT SET
for a result set make the procedure like:
CREATE PROCEDURE GetMyInt
( @Param int)
AS
SELECT MyIntField FROM MyTable WHERE MyPrimaryKeyField = @Param
RETURN 0
GO
use it li...
What is the reason not to use select *?
...able.
Just because you are using all the columns now, it doesn't mean someone else isn't going to add an extra column to the table.
It also adds overhead to the plan execution caching since it has to fetch the meta data about the table to know what columns are in *.
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Converting Secret Key into a String and Vice Versa
...without issues.
NOTE II: Earlier Java versions do not include a Base64 in one of the java.lang or java.util packages. It is however possible to use codecs from Apache Commons Codec, Bouncy Castle or Guava.
SecretKey to String:
// CREATE NEW KEY
// GET ENCODED VERSION OF KEY (THIS CAN BE STORED IN...